7040740668 has 24 divisors (see below), whose sum is σ = 17692117968. Its totient is φ = 2166381696.

The previous prime is 7040740667. The next prime is 7040740691. The reversal of 7040740668 is 8660470407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040740661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22566321 + ... + 22566632.

It is an arithmetic number, because the mean of its divisors is an integer number (737171582).

Almost surely, 2^7040740668 is an apocalyptic number.

7040740668 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7040740668 is an abundant number, since it is smaller than the sum of its proper divisors (10651377300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7040740668 is a wasteful number, since it uses less digits than its factorization.

7040740668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45132973 (or 45132971 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 7040740668 is about 83909.1214827089. The cubic root of 7040740668 is about 1916.6351535621.

The spelling of 7040740668 in words is "seven billion, forty million, seven hundred forty thousand, six hundred sixty-eight".